/*    
    OpenMheg - A free MHEG-5 library
    Copyright (C) 2008 Dharmesh Malam

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

using System;
using System.Collections.Generic;
using System.Text;
using Core.Model.Events;
using Core.Model.Ingredients;
using Engine;

namespace Core.Model.Data.Variables
{
    #region Implementation Specific
    public enum ComparasonTests
    {
        Equal = 1,
        NotEqual,
        LessThan,
        LessThanOrEqualTo,
        GreaterThan,
        GreaterThanOrEqualTo

    }

    #endregion}
    public abstract class Variable : Ingredient
    {
        #region  Internal behaviours

        public abstract  object Data
        {
            get;
            set;
        }


        public override void Activate ()
        {
            if ( !RunningStatus )
            {
                base.Activate();

                RunningStatus = true;
                Engine.MHEGEngine.Instance.Handle( new IsRunning( this ) );
            }
        }

        #endregion

        internal void TestVariable ( ComparasonTests op, object comparisonValue )
        {
            log.Error( "Test variable ("+comparisonValue+") with incorrect comparason text ("+op+")." );
        }
    }
}
